The 1100mah Battery is the most popular vaporizer battery on the market for a reason.

High quality, long lasting battery, 510 thread which allows you unlimited options for your clearomizer. If you plan on using your vape pen regularly you are going to need the 1100mah battery.

The CE4 has the wick ropes inside the clearomizer, the CE5 is wickless and is the more advanced clearomizer, 1100mAh is the most convenient sized vape pen as it is not too big and heavy as the longer ones.